TEI/. — VAN.] 



LAMELLIBRANCHIA TA. 



515 



angustata, Hall, 1860, Can. Nat. and Geo., 



vol. 5, p. 152, Up. Sil. 

 astartiformis, Salter, 1859, (Ctenodonta 



astartfeformis,) Can. Org. Rem., Decade 



1, p. 39, Black Riv. Gr. 

 attenuata, Hall, 1860, Can. Nat. and Geo., 



vol. 5, p. 151, Up. Silurian, 

 cingulata, Ulrich, 1879, Jour. Cin. Soc. 



Nat. Hist,, vol. 2, p. 23, Hud. Riv. Gr. 

 contracta, Salter, 1859, (Ctenodonta con- 



tracta,) Can. Org. Rem. Decade 1, p. 37, 



Black Riv. and Trenton Gr. 

 curta, Hall, 1852, Pal. N. Y., vol. 2, p. 86, 



Clinton Gr. 

 donaciformis, Hall, 1847, (Nucula ? dona- 



ciformis,) Pal. N. Y., vol. 1, p. 316, Tren- 

 ton Gr. 

 dubia, Hall, 1847, Pal. N. Y., vol. 1, p. 



153, Black Riv. and Trenton Grs. 

 elliptica, Hall, 1852, Pal. N. Y., vol. 2, p. 



102, Clinton Gr. 

 gibberula, Salter, 1859, (Ctenodonta gib- 



berula,) Can. Org. Rem. Decade 1, p. 

 . 38, Black Riv. and Trenton Grs. 

 gibbosa, Hall, 1847, Pal. N. Y., vol. 1, p. 



153, Black Riv. and Trenton Grs. 

 bamburgensis, Walcott, 1885, Monogr. 



U. S. Geo. Sur., vol. 8, p. 76, Tren- 

 ton Gr. 

 hartsvillensis, Safford, 1859, (Ctenodonta 



hartsvillensis,) Geo. of Tenn., p. 287, 



Nashville Gr. 



hilli, S. A. Miller, 1874, 

 Cin. Quar. Jour. Sci., 

 p. 230, Hud. Riv. Gr. 

 houghtoni, Stevens, 1858, 

 (Nucula houghtoni,) 

 Am. Jour. Sci, and 

 Arts, 2d ser., vol. 25, 



p. 262, Marshall or Waverly Gr. 

 inflata, Hall, 1861, Geo. Rep. Wis., p. 26, 



Trenton Gr. 

 iphigenia, Billings, 1862, (Ctenodonta 



iphigenia,) Pal. Foss., vol. 1, p. 152, 



Hud. Riv. Gr. 

 lata, Hall, 1852, Pal. N. Y., vol. 2, p. 85, 



Clinton Gr. 

 levata, Hall, 1847, (Nucula levata,) Pah 



N. Y.„ vol. 1, p. 150, Black Riv., Tren- 

 ton, and Hud. Riv. Grs. 

 logani, Salter, 1851, (Ctenodonta logani,) 



Rep. Brit. Assoc, p. 36, Hud. Riv. Gr. 

 machseriformis, Hall, 1843, (Nucula mach- 



8eriformis,)Geo.Rep.4thDist.N.Y.,p.76, 



and Pal. N. Y., vol. 2, p. 85, Clinton Gr. 

 mactriformis, Hall, 1843, (Nucula mac- 



trseformis,) Geo. Rep. 4th Dist., N. Y., p. 



76, Clinton Gr. 

 nasuta, Hall, 



1847, Pal. 



N. Y., vol. 1, 



p. 152, Black 



Riv. and Tren- 

 ton Grs. 

 nucleif o r m i s , 



Hall, 1859, 



Pal. N. Y., 



vol. 3, p. 263, Low. Held. Gr. 

 nuculiformis, Hall, 1847, (Modiolopsis 



Fig. 931.— Tellino- 

 mya hilli. 



Fig. 932.— Tellinomyra 

 nasuta. 



nuculiformis,) Pal. N. Y., vol. 1, p. 298, 

 Hud. Riv. Gr. 



ovata, Hall, 1861, Geo. Rep. Wis., p. 28, 

 Trenton Gr. 



pectunculoides, Hall, 1871, 24th Rep. 

 N. Y. Mus. Nat. Hist., p. 228, Hud. 

 Riv. Gr. 



protensa, Hall, 1852, Stans. Ex. to Gt. 

 Salt Lake, p. 412, Coal Meas. 



sanguinolarioidea, Hall, 1847, Pal. N. Y, 

 vol. 1, p. 152, Trenton Gr. 



Stella, Winchell, 1862, (Nucula stella,) 

 Proc. Acad. Nat. Sci., p. 417, Mar- 

 shall Gr. 



subnasuta, see Clinopistha subnasuta. 



ventricosa, Hall, 1861, Geo. Rep. Wis., p. 

 27, and Geo. Sur. 111., vol. 3, p. 307, 

 Trenton Gr. 

 Tellinopsis, Hall, 1870, Prelim. Notice 

 Lam. Shells, p. 80. [Ety. resembling a 

 shell of the genus Tellina.] General 

 form like Tellina ; beaks small, subcen- 

 tral, directed backward ; ligament ex- 

 ternal ; surface smooth or obscurely 

 marked ; ligament external ; muscular 

 impression shallow. Type T. sub- 

 emarginata. 



subemargin a t a , 

 Conrad, 1842, 

 (Nuculites 

 sub emargina- 

 tus,) Jour. 

 Acad. Nat;. Sci., 

 vol. 8, p. 249, 

 and Pal. N. Y., Fig. 933.— Tellinopsis sub- 

 VOl. 5, p. 464, emarginata. 



Ham. Gr. 

 Ungulina, Daudin, 1802, Bosc Hist. Nat. 

 Coq. 3. [Ety. ungulina, like a hoof.] 



suborbicularis, see Cardiomorpha suborbic- 

 ularis. 

 Unio orthonotus, see Modiolopsis orthonota. 



primigenius, see Modiolopsis primigenia. 

 Vanuxemia, Billings, 1858, Rep. of Progr, 

 Geo. Sur. Can., p. 186. [Ety. proper 

 name.] Ovate ; beaks terminal or sub- 

 terminal ; posterior extremity rounded, 

 anterior more or less acuminated ; two 

 muscular impressions ; anterior teeth 

 variable in number sometimes curved 

 and striated ; posterior lateral teeth 

 from two to four. Type V. inconstans. 



Fig. 934. — Vanuxemia bayfleldi. Interior of 

 left valve, showing the striated teeth. 



bayfieldi, Billings, 1858, Rep. of Progr. 



Geo. Sur. Can., p. 187, Hud. Riv. Gr. 

 dixonensis, Meek & Worthen, 1866, Proc. 



Chi. Acad. Sci., p. 16, Trenton Gr. 



